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[/] [openrisc/] [trunk/] [or1ksim/] [testsuite/] [test-code-or1k/] [uos/] [task.c] - Rev 178
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/* task.c. Microkernel task handler for Or1ksim Copyright (C) 2000 Damjan Lampret Copyright (C) 2010 Embecosm Limited Contributor Damjan Lampret <lampret@opencores.org> Contributor Jeremy Bennett <jeremy.bennett@embecosm.com> This file is part of OpenRISC 1000 Architectural Simulator. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http: www.gnu.org/licenses/>. */ /* ---------------------------------------------------------------------------- This code is commented throughout for use with Doxygen. --------------------------------------------------------------------------*/ /* This file is part of test microkernel for OpenRISC 1000. */ #include "support.h" #include "uos.h" #include "ipc.h" #include "int.h" extern struct tcb tasks[MAX_TASKS+1]; int task(int id) { struct _msg { char id; unsigned long count; } msg; printf("Task %d started\n", id); if(id == 1) { msg.id = 1; msg.count = 0; uos_msgsnd(2, (char *)&msg, sizeof(msg)); } for(;;) { uos_msgrcv(0, (char *)&msg, sizeof(msg)); printf("Task %d: Got massage from task %d: 0x%.8x. " "Sending message to task %d: 0x%.8x \n", id, msg.id, (int)msg.count, (id == 3 ? 1 : (id + 1)), (int)(msg.count + 1)); msg.id = id; if((id == 1) && (msg.count > 15)) { report(msg.count + 0xdeadde9c); exit(0); msg.count += 1; uos_msgsnd((id == 3 ? 1 : (id + 1)), (char *)&msg, sizeof(msg)); } } } /* Called by kernel_init to collect all tasks entries. */ void tasks_entries() { tasks[1].regs.pc = (unsigned long)task; tasks[2].regs.pc = (unsigned long)task; tasks[3].regs.pc = (unsigned long)task; }
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